| 摘要 |
The present invention relates to a drying and wetting device of a roll, and more specifically, to a drying and wetting device of a roll capable of effectively controlling wet conditions on a printing roll by measuring the wet condition on the surface of the printing roll, and controlling at least one between an air supply nozzle and a sponge roll based on the measured wet condition of the surface of the printing roll. The drying and wetting device of the roll comprises the air supply nozzle, the sponge roll, a humidity sensor unit, and a control unit. |
